Standard supporting 8K VESA Embedded DisplayPort 1.4a. Free Technical Library News

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Standard supporting 8K VESA Embedded DisplayPort 1.4a

12.02.2015

The Video Electronics Standards Association (VESA) has announced the release of the new Embedded DisplayPort (eDP) version 1.4a specification. The new version of the standard provides for an increase in the bandwidth of the interface for transmitting ultra-high-definition video with greater color depth and a high screen refresh rate. In addition, eDP 1.4a now also includes the VESA Display Stream Compression (DSC) v1.1 data compression standard.

The new specification provides data transfer rates up to 8,1 Gbps per line. Thanks to this, as well as support for VESA DSC 1.1, it is possible to create embedded panels with 8K resolution. DSC compression reduces the size of the buffer for storing frames, reduces power consumption, and also simplifies the system itself.

Among the innovations of eDP 1.4a is the Multi-SST Operation (MSO) function, which supports the architecture of the so-called segmented panel displays (in VESA terminology). MSO allows up to four independent panels to be combined into one system via an eDP interface. Also included in eDP 1.4a is an updated Panel Self Refresh (PSR) feature. The partial update feature allows the video processor to update only a portion of the content on the display, only that which has changed. This increases energy saving.

Systems based on the new specification will be on the market by 2016.

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